diff --git a/automotive/remoteaccess/aidl_api/android.hardware.automotive.remoteaccess/current/android/hardware/automotive/remoteaccess/IRemoteAccess.aidl b/automotive/remoteaccess/aidl_api/android.hardware.automotive.remoteaccess/current/android/hardware/automotive/remoteaccess/IRemoteAccess.aidl
index 9b6eb2f..b0935c2 100644
--- a/automotive/remoteaccess/aidl_api/android.hardware.automotive.remoteaccess/current/android/hardware/automotive/remoteaccess/IRemoteAccess.aidl
+++ b/automotive/remoteaccess/aidl_api/android.hardware.automotive.remoteaccess/current/android/hardware/automotive/remoteaccess/IRemoteAccess.aidl
@@ -34,8 +34,9 @@
 package android.hardware.automotive.remoteaccess;
 @VintfStability
 interface IRemoteAccess {
-  String getDeviceId();
+  String getVehicleId();
   String getWakeupServiceName();
+  String getProcessorId();
   void setRemoteTaskCallback(android.hardware.automotive.remoteaccess.IRemoteTaskCallback callback);
   void clearRemoteTaskCallback();
   void notifyApStateChange(in android.hardware.automotive.remoteaccess.ApState state);
diff --git a/automotive/remoteaccess/android/hardware/automotive/remoteaccess/IRemoteAccess.aidl b/automotive/remoteaccess/android/hardware/automotive/remoteaccess/IRemoteAccess.aidl
index a198b03..0f4125f 100644
--- a/automotive/remoteaccess/android/hardware/automotive/remoteaccess/IRemoteAccess.aidl
+++ b/automotive/remoteaccess/android/hardware/automotive/remoteaccess/IRemoteAccess.aidl
@@ -28,19 +28,19 @@
 @VintfStability
 interface IRemoteAccess {
     /**
-     * Gets a unique device ID that could be recognized by wake up server.
+     * Gets a unique vehicle ID that could be recognized by wake up server.
      *
-     * This device ID is provisioned during car production and is registered
+     * <p>This vehicle ID is provisioned during car production and is registered
      * with the wake up server.
      *
-     * @return a unique device ID.
+     * @return a unique vehicle ID.
      */
-    String getDeviceId();
+    String getVehicleId();
 
     /**
      * Gets the name for the remote wakeup server.
      *
-     * This name will be provided to remote task server during registration
+     * <p>This name will be provided to remote task server during registration
      * and used by remote task server to find the remote wakeup server to
      * use for waking up the device. This name must be pre-negotiated between
      * the remote wakeup server/client and the remote task server/client and
@@ -51,6 +51,17 @@
     String getWakeupServiceName();
 
     /**
+     * Gets a unique processor ID that could be recognized by wake up client.
+     *
+     * <p>This processor ID is used to identify each processor in the vehicle.
+     * The wake up client which handles many processors determines which
+     * processor to wake up from the processor ID.
+     *
+     * <p> The processor ID must be unique in the vehicle.
+     */
+    String getProcessorId();
+
+    /**
      * Sets a callback to be called when a remote task is requested.
      *
      * @param callback A callback to be called when a remote task is requested.
diff --git a/automotive/remoteaccess/hal/default/include/RemoteAccessService.h b/automotive/remoteaccess/hal/default/include/RemoteAccessService.h
index 74c2af4..5cfca61 100644
--- a/automotive/remoteaccess/hal/default/include/RemoteAccessService.h
+++ b/automotive/remoteaccess/hal/default/include/RemoteAccessService.h
@@ -62,7 +62,9 @@
 
     ~RemoteAccessService();
 
-    ndk::ScopedAStatus getDeviceId(std::string* deviceId) override;
+    ndk::ScopedAStatus getVehicleId(std::string* vehicleId) override;
+
+    ndk::ScopedAStatus getProcessorId(std::string* processorId) override;
 
     ndk::ScopedAStatus getWakeupServiceName(std::string* wakeupServiceName) override;
 
@@ -103,8 +105,8 @@
     void runTaskLoop();
     void maybeStartTaskLoop();
     void maybeStopTaskLoop();
-    ndk::ScopedAStatus getDeviceIdWithClient(
-            android::frameworks::automotive::vhal::IVhalClient& client, std::string* deviceId);
+    ndk::ScopedAStatus getVehicleIdWithClient(
+            android::frameworks::automotive::vhal::IVhalClient& client, std::string* vehicleId);
 
     void setRetryWaitInMs(size_t retryWaitInMs) { mRetryWaitInMs = retryWaitInMs; }
     void dumpHelp(int fd);
diff --git a/automotive/remoteaccess/hal/default/src/RemoteAccessService.cpp b/automotive/remoteaccess/hal/default/src/RemoteAccessService.cpp
index 4be30a2..d944593 100644
--- a/automotive/remoteaccess/hal/default/src/RemoteAccessService.cpp
+++ b/automotive/remoteaccess/hal/default/src/RemoteAccessService.cpp
@@ -48,11 +48,12 @@
 using ::ndk::ScopedAStatus;
 
 const std::string WAKEUP_SERVICE_NAME = "com.google.vehicle.wakeup";
+const std::string PROCESSOR_ID = "application_processor";
 constexpr char COMMAND_SET_AP_STATE[] = "--set-ap-state";
 constexpr char COMMAND_START_DEBUG_CALLBACK[] = "--start-debug-callback";
 constexpr char COMMAND_STOP_DEBUG_CALLBACK[] = "--stop-debug-callback";
 constexpr char COMMAND_SHOW_TASK[] = "--show-task";
-constexpr char COMMAND_GET_DEVICE_ID[] = "--get-device-id";
+constexpr char COMMAND_GET_VEHICLE_ID[] = "--get-vehicle-id";
 
 std::vector<uint8_t> stringToBytes(const std::string& s) {
     const char* data = s.data();
@@ -176,23 +177,23 @@
     }
 }
 
-ScopedAStatus RemoteAccessService::getDeviceId(std::string* deviceId) {
+ScopedAStatus RemoteAccessService::getVehicleId(std::string* vehicleId) {
 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
     auto vhalClient = IVhalClient::tryCreate();
     if (vhalClient == nullptr) {
         ALOGE("Failed to connect to VHAL");
         return ScopedAStatus::fromServiceSpecificErrorWithMessage(
-                /*errorCode=*/0, "Failed to connect to VHAL to get device ID");
+                /*errorCode=*/0, "Failed to connect to VHAL to get vehicle ID");
     }
-    return getDeviceIdWithClient(*vhalClient.get(), deviceId);
+    return getVehicleIdWithClient(*vhalClient.get(), vehicleId);
 #else
     // Don't use VHAL client in fuzzing since IPC is not allowed.
     return ScopedAStatus::ok();
 #endif
 }
 
-ScopedAStatus RemoteAccessService::getDeviceIdWithClient(IVhalClient& vhalClient,
-                                                         std::string* deviceId) {
+ScopedAStatus RemoteAccessService::getVehicleIdWithClient(IVhalClient& vhalClient,
+                                                          std::string* vehicleId) {
     auto result = vhalClient.getValueSync(
             *vhalClient.createHalPropValue(toInt(VehicleProperty::INFO_VIN)));
     if (!result.ok()) {
@@ -200,7 +201,12 @@
                 /*errorCode=*/0,
                 ("failed to get INFO_VIN from VHAL: " + result.error().message()).c_str());
     }
-    *deviceId = (*result)->getStringValue();
+    *vehicleId = (*result)->getStringValue();
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus RemoteAccessService::getProcessorId(std::string* processorId) {
+    *processorId = PROCESSOR_ID;
     return ScopedAStatus::ok();
 }
 
@@ -252,8 +258,8 @@
              COMMAND_START_DEBUG_CALLBACK +
              " Start a debug callback that will record the received tasks\n" +
              COMMAND_STOP_DEBUG_CALLBACK + " Stop the debug callback\n" + COMMAND_SHOW_TASK +
-             " Show tasks received by debug callback\n" + COMMAND_GET_DEVICE_ID +
-             " Get device id\n")
+             " Show tasks received by debug callback\n" + COMMAND_GET_VEHICLE_ID +
+             " Get vehicle id\n")
                     .c_str());
 }
 
@@ -316,13 +322,13 @@
             dprintf(fd, "Debug callback is not currently used, use \"%s\" first.\n",
                     COMMAND_START_DEBUG_CALLBACK);
         }
-    } else if (!strcmp(args[0], COMMAND_GET_DEVICE_ID)) {
-        std::string deviceId;
-        auto status = getDeviceId(&deviceId);
+    } else if (!strcmp(args[0], COMMAND_GET_VEHICLE_ID)) {
+        std::string vehicleId;
+        auto status = getVehicleId(&vehicleId);
         if (!status.isOk()) {
-            dprintErrorStatus(fd, "Failed to get device ID", status);
+            dprintErrorStatus(fd, "Failed to get vehicle ID", status);
         } else {
-            dprintf(fd, "Device Id: %s\n", deviceId.c_str());
+            dprintf(fd, "Vehicle Id: %s\n", vehicleId.c_str());
         }
     } else {
         dumpHelp(fd);
diff --git a/automotive/remoteaccess/hal/default/test/RemoteAccessServiceUnitTest.cpp b/automotive/remoteaccess/hal/default/test/RemoteAccessServiceUnitTest.cpp
index 8c4fa08..c5afd63 100644
--- a/automotive/remoteaccess/hal/default/test/RemoteAccessServiceUnitTest.cpp
+++ b/automotive/remoteaccess/hal/default/test/RemoteAccessServiceUnitTest.cpp
@@ -187,8 +187,8 @@
 
     void setRetryWaitInMs(size_t retryWaitInMs) { mService->setRetryWaitInMs(retryWaitInMs); }
 
-    ScopedAStatus getDeviceIdWithClient(IVhalClient& vhalClient, std::string* deviceId) {
-        return mService->getDeviceIdWithClient(vhalClient, deviceId);
+    ScopedAStatus getVehicleIdWithClient(IVhalClient& vhalClient, std::string* vehicleId) {
+        return mService->getVehicleIdWithClient(vhalClient, vehicleId);
     }
 
   private:
@@ -358,13 +358,13 @@
     std::this_thread::sleep_for(std::chrono::milliseconds(150));
 }
 
-TEST_F(RemoteAccessServiceUnitTest, testGetDeviceId) {
-    std::string deviceId;
+TEST_F(RemoteAccessServiceUnitTest, testGetVehicleId) {
+    std::string vehicleId;
 
     FakeVhalClient vhalClient;
 
-    ASSERT_TRUE(getDeviceIdWithClient(vhalClient, &deviceId).isOk());
-    ASSERT_EQ(deviceId, kTestVin);
+    ASSERT_TRUE(getVehicleIdWithClient(vhalClient, &vehicleId).isOk());
+    ASSERT_EQ(vehicleId, kTestVin);
 }
 
 }  // namespace remoteaccess